Some molecules or particles are too large or too hydrophilic to pass through a lipid bilayer. Other molecules could pass through the bilayer but must be transported rapidly in such large numbers that channel-type transport is impractical.
Vanna White Has the World's Most G-Rated Wardrobe Malfunction on 'Wheel of Fortune'. by 11:56 AM PST, December 11, 2015. Playing Vanna White Has the World's Most G-Rated Wardrobe Malfunction on 'Wheel of Fortune'. Vanna White found herself in a sticky situation during Thursday's Wheel of Fortune. While walking across the stage, the hostess, unbeknownst to her, brought part of the set with her when a prop gift got caught on the bottom of her dress.
Vanna White attends the 50th Anniversary Of The Merv Griffin Show at Sony Pictures Studios on November 19, 2015 in Culver City, California. Watch Vanna White Have a Hilarious Wheel of Fortune Wardrobe Malfunction. Vanna White is known for being the picture of poise and grace on ABC's Wheel of Fortune. But on a recent episode of the long-running game show, White had a bit of a mishap involving her dress and a holiday prop from the set.